APA (7th ed.) Citation

Wahl, K. L., Thomas, W. O., & Hirsch, R. M. (1995). An overview of the stream-gaging program. United States Department of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Wahl, Kenneth L., Wilbert O. Thomas, and Robert M. Hirsch. An Overview of the Stream-gaging Program. [Reston, Va.]: United States Department of the Interior, U.S. Geological Survey, 1995.

MLA (9th ed.) Citation

Wahl, Kenneth L., et al. An Overview of the Stream-gaging Program. United States Department of the Interior, U.S. Geological Survey, 1995.